Coupling for anti



W: Hx KRUG.

COUPLING FOR ANTI/SKID ATTACHMENTS, APPLICATWN FILED JULY 18. 1911. RENEWED MAY 8.;1919.

Patented June 1?, 1919 ill) , WLLLIMd I-I. KR'UG, 0F OSHLOSH, "WISCONSIN.

CQUPLIIIG F8111 ANTISKISD ATTACHMENTS.

flontiauation in part of application Serial 3T0.

To all whom z'tmop concern he it-lmo'svn hat I, lVILLIAM H. KRUG,'21, citizen of the United States, residing at fishhush, county'ot l' i innebago, and State of y isconsiny: have v invented mprovements in Couplings for Antiskid a ihmcnts of which the 'fz'ollowing is v anon.

Mi i invention relates to improvements in couplings for antiskid attachments for motor driven vehicles. v

- iiy invention relates particularly to that type of anti-skid attachments in which short chains are passed over the head portion. of a tire, and detachably' connected at their re spective ends with Wheel.

rilhe object of my invention is to provide the telly. More I to provide a form When b 'eing i'z'lanipulated Viniphovcd means for coupling the ends of thechain with a support connected With the Wheel and mounted either upon .the tire or particularly, my object is of coupling which will not accidentally disengage, but which can be readily and quickly manipulated into and out of coupling position; means whereby the'coupling members may be quickly replaced with minimum expense and loss of time if broken or damaged.

l the drawings: 1

itlgnrc l-is a side elevation of a fragment of a vehicle Wheel provided with a set of coupling members embodying in invention.

' .Fig. 2 is a view of the set .of spoke engaging clamping plates and bolts shown in Fig. l, as seen from the margins of the plates nearest the .hub, said plates being shown partially in section to expose one of the clamping bolts.

ig. 3 is a side view of the same. ig. 4 is a detail view of a pair of associated coupling members, as they appear into engaging position, or from such position to releasing position.

Like parts are identified by the same refcrence characters throughout the several views. 1

Referring" to Figs. 1 and'2, it will be ob served that} have provided a set or pair of ordinary clamping lates A and B, adapted to embrace the spo e C of a vehicle vhcel,

These clamping plates are each provided with cars l) at their respective ends, through which the clamping bolts Ears passed, All

" flpccification of Letters Patent.

new and useful g comprise a key hole slot.

the spoke or folly of a a so to providelPatcnted June 11?,

163,562, filed April 21, 1917. This application filed July 18, .1917, Serial No. 131,286. Renewed May S, 1919.

Serial No. 295,697.

of these parts may be of ordinary construction, except as follows:

Instead of providing the bolts E With ordinary heads, I provide them "with special coupling heads l provided With apertures G, the Walls of which are provided with a notch 5], preferably located at the inner side of the opening, and substantially in line with the axis of the bolt E. The aperture G and notch A portion E o1 each bolt is squared, and is adapted to fit squared socket in the coupling member B, or in both coupling members A and B, if desired. The threaded end of the ,bolt is provided with anut H having a loclt vvasher ll. y employing the squared portion E of the bolt E to hold the bolt from rotzlgting, it is obvious that the coupling head or member F maybe rigidly hcldin the same relative position with reference to the clamping members and to the folly. The openings in the ears I) are so formed that the coupling heads F will held in planes which are oblique to the radial planes, which include the side faces of the fell 1 the alancs W liCl'l include the coupling members F extending inwardly toward the spoke on the hub side, and outwardly toward the side of the telly on. the folly side.

Clo-actin coupling members K are employed to connect the ends of the chain L with the couplingmcmbcrs F. The chains arc preferably provided, at each end, with one or more straight links L adapted to interchangeably receive the hook shaped end portion K of'coupling member K. The other end portion K, of coupling member K, is also hook shaped, and the extremities M and M of these hoolg shaped portions, K, i", are ada ted to be manipulated into engagement with the links L and member F, respectively. 'The extremity M is in the form of a lateral verscly to the axis of the coupling member, and adapted to perform the function of a cross head to from disengaging from the other pf the coupling;

with which it is associated. lhe extremities M may have any form adapted for interlocking engagement with a link L. Asshown, this end has the form of tween the extremity the opposing oeuprojectionextending transkeep the coupling member mon'lber tral portion of member K. The projection M, however, is preferably elongated, and one end thereof is adapted to pass through the notch 9, when the coupling member K is vmanipulated to the position in which it is illustrated in Fig. 4. Each of the extremities M and M is so constructed and located with reference to the body of member K, that it cannot pass into engagement with the associated member, 6., the member F, or the link member L), except when manipulated into such engagement by oscillating the hook member K out of any position Whichit will assume in use, under any ordinary conditions.

It will, of course, be understoodthat each end of the chain L will be provided with links L, and that at each end one of the hook links K will be employed to connect the end of the chain with the wheel, preferably through the medium of the co-acting members F, forming part of the clamping bolts E, and with means employed to prevent the clamping bolts from rotating,,as above described. By mounting the coupling members F upon these clamping bolts. it is possible for me to use ordinary clan'iping plates, such as the plates A and B, which can be very easily and cheaply constructed. Further, these rates may be made sufficiently strong to better resist the strains imposed in use than the clamping bolts, and the strains are exerted upon both. plates through the bolts, instead of being merely exerted upon one plate as has heretofore been the case. Therefore, as to that portion of the coupling wlnch is m unted upon thespoke, or connected with the Wheel, it may be assumed that any breakage or damage which may occur will occur in the clamping bolt itself.

or if the bolt breaks at any point, this damaged part can be very easily and quickly replaced. A supply of bolts E may be carried with the car without materially adding to the load. or taking up much space in the tool box. The strains imposed upon the chain, links or the hook shaped coupling member K are largely lineal strains, and the form of these members is such that breakage is not likely to occur. The danger of accidental disengagement of the chair is practically eliminated, the .chain being illustrated in Fig. 1 with full lines, indicating its normal position. and dotted lines indicating its position when the motion of the vehicle is reversed.

Another advantage afforded by the construction in Fig. 1 is that replacements can be easily made as above explained. If one. of the bolts. or one of the chain hooks should become jammed or damaged in such away that the chain cannot be readily disengaged it is possible to remove-the clamping members A and B from the spoke by unscrewing It the member F breaks from the clamping bolt,

the nuts H on one or both of the clamping bolts. Ordmarily, however, it will be found thatthe damaged bolt may be readily reprojected laterally and adapted to be manipulated throltg'h the keyhole slotwhen the projection is in line with the elongated portion of said slot, and means for securing said first-named member to a spoke of a Wheel with the axis of the elongated portion of said slot extending substantially trans-- versely of said spoke,

2-. A coupling for anti-skid. attachments for vehicle wheels comprising a pair of mutually engaging members, one havin an aperture elongated in one direction, and the other being adapted to be manipulated through'said aperture and having a lateral extension adapted, when in positionfor use, to span the aperture transversely to the axis of the elongated portion thereof and prevent accidental disengagement of the members, and means for securing said firstnamed member to a spoke of a wheel with the axis of the elongated portion of said aperture extending substantially transversly of said spoke. I

3. A coupling for anti-skid attachments for vehicle wheels, comprising a pair of mu tual'ly engaging members, one of said members comprising a clamp ng bolt having a head portion provided with an aperture elongated substantially along the line of the axis of the bolt, and theother of said members having a hook shaped extremity providcd with 'a cross head adapted to be manipulated through the aperture.

4. In an anti-skid attachment for vehicle wheels, the combination with a setof spoke engaging clanipingmembers, of a set of clamping bolts therefor, adapted to be held against rotation by said clamping members and having flattened apertured heads supmember having a hook-shaped extremity/" 1,307,555. 2 may rotation by said clamping plat-es end each having a head provided with an epeirture eiengeted in the length of boits, and eoiipemting hook shaped members the extremities mf-whioh ere ei-evicted with cross heads adapted to be manipulated through said apertures.

6. The combination with e vehicle Wheel ef en eiongeted member having an opening in one end thereof, means fer securing said member to said Wheel substantially pemiiei with the side face of the telly of said Wheel and with the end provided with said openspaced from said telly to term clean ence spaeebetween said end and said feiiy, and an anti-skid chain having e coupling member at one end passing through said cpening t0 detachabiy seeui'e said chain to the damning r eilei. with theeide face of the fell" ei said o J Wheel and with one endspeced from eeid feliy to provide a clearance space between said end end said feiiy, and a flexible entiskid member having a portion extending through clearance space and seemed to said end. A

In testimony whereof I eiiix. my eignetiiie in the presence of two itnesses.

WELLIAM ii.

ititneeses U. C, W'eenmiiiLiee J. Ii ioKeRIHAN, 

